A) a planet B) a star C) a comet D) a moon
A) fifth B) sixth C) third D) fourth
A) touches B) hears C) orbits D) finds
A) disappear B) revolve C) heat D) light
A) I know that man is a famous rock star. B) A star is a hot, glowing ball of gases. C) That lady is a pretty movie star. D) My teacher put a red star on my paper.
A) Earth B) Mars C) Venus D) Jupiter
A) The planets that are closest to the sun. B) The ones that are farthest from the sun. C) The red planets are the hottest. D) The planets that have moons.
A) It is just too close to the sun. B) It has a long orbit. C) It is so rocky. D) It is such a small planet.
A) It is the closest planet to the sun. B) The planet has no water. C) It would spin sideways. D) It is just too cold on this planet.
A) The reddest planets are the warmest. B) The ones farthest away from the sun. C) The ones closest to the sun. D) The ones with frozen ice.
A) at the center of the galaxy B) at the center of the Earth C) at the center of the universe D) at the center of the solar system
A) ten thousand degrees B) one million degrees C) twenty seven million degrees D) five thousand degrees
A) It is an average-sized star B) It is a small star. C) It is the largest known star. D) It is the hottest star.
A) light B) water C) electrical power D) heat
A) Pluto: It may not be a "true" planet. B) Jupiter: It is too big to be a planet. C) Saturn: It has so many rings. D) Earth: It has living things. |